/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineFriendsInterface.h
virtual void TriggerOnRejectInviteCompleteDelegates ( int32 LocalUserNum, bool Param1, const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & Param2, const [FString](API\Runtime\Core\Containers\FString) & Param3, const [FString](API\Runtime\Core\Containers\FString) & Param4 )